Inventor

Yu-Shen Chen

Inventor

Taipei, TW

Overview

1998–2012

Patent span

Electricity

Primary field (CPC H)

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

F21Kprimary

F21KNon-electric light sources using luminescence9%

F21SNon-portable lighting devices9%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy9%

H10BElectronic memory devices9%

H10DInorganic electric semiconductor devices9%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h109%

LOC169%

LOC269%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution9%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1998–1999Patents assigned to WAN CHANG PREC INDUSTRIES CO LTD (2)· patent assignee history

1998–2012Based in Taipei, TW· patent location history

2001Based in Shanghai, CN· patent location history

2002Patents assigned to TAIWAN SEMICONDUCTOR MFG (1)· patent assignee history

2002Based in Hsinchu, TW· patent location history

2012Patents assigned to BRIGHT LED ELECTRONICS CORP (1)· patent assignee history

2012Patents assigned to CHANG MING-LI (1)· patent assignee history

2012Patents assigned to CHEN YU-SHEN (1)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
WAN CHANG PREC INDUSTRIES CO LTD	2	1998–1999
BRIGHT LED ELECTRONICS CORP	1	2012
CHANG MING-LI	1	2012
CHEN YU-SHENself	1	2012
TAIWAN SEMICONDUCTOR MFG	1	2002

Locations